76998172 has 24 divisors (see below), whose sum is σ = 140676480. Its totient is φ = 36833280.

The previous prime is 76998169. The next prime is 76998197. The reversal of 76998172 is 27189967.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7548 + ... + 14524.

It is an arithmetic number, because the mean of its divisors is an integer number (5861520).

Almost surely, 2^76998172 is an apocalyptic number.

It is an amenable number.

76998172 is a deficient number, since it is larger than the sum of its proper divisors (63678308).

76998172 is a wasteful number, since it uses less digits than its factorization.

76998172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101 (or 7099 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 76998172 is about 8774.8602268070. The cubic root of 76998172 is about 425.4287198621.

The spelling of 76998172 in words is "seventy-six million, nine hundred ninety-eight thousand, one hundred seventy-two".